Post black reformatting

Applied on top of a pure run of black -l 79 in
I7eda77fed3d8e73df84b3651fd6cfcfe858d4dc9,  this set of changes
resolves all remaining flake8 conditions for those codes
we have enabled in setup.cfg.

Included are resolutions for all remaining flake8 issues
including shadowed builtins, long lines, import order, unused
imports, duplicate imports, and docstring issues.

Change-Id: I4f72d3ba1380dd601610ff80b8fb06a2aff8b0fe

1 files changed, 23 insertions, 27 deletions

diff --git a/test/ext/test_serializer.py b/test/ext/test_serializer.py
index 3173c0234..e5490146c 100644
--- a/test/ext/test_serializer.py
+++ b/test/ext/test_serializer.py
@@ -1,34 +1,30 @@
 # coding: utf-8
 
-from sqlalchemy.ext import serializer
+from sqlalchemy import desc
+from sqlalchemy import ForeignKey
+from sqlalchemy import func
+from sqlalchemy import Integer
+from sqlalchemy import join
+from sqlalchemy import literal_column
+from sqlalchemy import MetaData
+from sqlalchemy import select
+from sqlalchemy import String
 from sqlalchemy import testing
-from sqlalchemy import (
-    Integer,
-    String,
-    ForeignKey,
-    select,
-    desc,
-    func,
-    util,
-    MetaData,
-    literal_column,
-    join,
-)
-from sqlalchemy.testing.schema import Table
-from sqlalchemy.testing.schema import Column
-from sqlalchemy.orm import (
-    relationship,
-    sessionmaker,
-    scoped_session,
-    class_mapper,
-    mapper,
-    joinedload,
-    configure_mappers,
-    aliased,
-)
-from sqlalchemy.testing import eq_, AssertsCompiledSQL
-from sqlalchemy.util import u, ue
+from sqlalchemy.ext import serializer
+from sqlalchemy.orm import aliased
+from sqlalchemy.orm import class_mapper
+from sqlalchemy.orm import configure_mappers
+from sqlalchemy.orm import joinedload
+from sqlalchemy.orm import mapper
+from sqlalchemy.orm import relationship
+from sqlalchemy.orm import scoped_session
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy.testing import AssertsCompiledSQL
+from sqlalchemy.testing import eq_
 from sqlalchemy.testing import fixtures
+from sqlalchemy.testing.schema import Column
+from sqlalchemy.testing.schema import Table
+from sqlalchemy.util import ue
 
 
 def pickle_protocols():